| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,613 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,177 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,867 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,554 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,363 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,159 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,548 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,291 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,468 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,569 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,974 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,849 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,005 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,644 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,497 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,337 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,051 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,114 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,906 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,692 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,601 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,394 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,897 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,345 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,143 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,467 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,053 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,506 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,580 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,694 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,806 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,007 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,277 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,510 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,619 |
| US States and State Capitals | 0 | - | 4.99 | 165,760 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,725 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,789 |
| Largest City by Island | 0 | - | 4.87 | 72,527 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,471 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,796 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,214 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,576 |
| Megacities on a World Map | 0 | - | 4.98 | 257,294 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,713 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,569 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,814 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,790 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,542 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,670 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,514 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,815 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,492 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,787 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,278 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,593 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,658 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,494 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,243 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,071 |
| Biggest Cities in California | 0 | - | 4.35 | 140,486 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,449 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,946 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,777 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,082 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,561 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,319 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,617 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,064 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,350 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,011 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,420 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,191 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,025 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,551 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,557 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,441 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,867 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,002 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,302 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,200 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,418 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,094 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,768 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,393 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,309 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,821 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,945 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,825 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,520 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,496 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,482 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,014 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,174 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,673 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,511 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,174 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,603 |
| Biggest City by Region | 0 | - | 4.50 | 36,411 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,360 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,579 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,098 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,321 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,456 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,594 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,591 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,233 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,376 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,699 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,674 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,428 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,054 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,567 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,806 |
| Biggest Cities in France | 0 | - | 4.72 | 225,515 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,304 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,317 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,324 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,929 |
| Biggest Cities in China | 0 | - | 4.53 | 160,102 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,607 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,491 |
| Biggest Cities in India | 0 | - | 4.64 | 68,104 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,618 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,395 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,316 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,922 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,053 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,111 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,085 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,749 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,504 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 21,002 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,214 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,831 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,978 |
| Biggest Cities in History | 0 | - | 4.52 | 90,665 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,146 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,632 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,931 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,723 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,749 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,206 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,212 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,028 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,645 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,170 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,817 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,218 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,189 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,194 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,716 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,147 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,432 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,931 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,059 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,946 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,888 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,777 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,499 |
| Cities of Ireland | 0 | - | 4.51 | 50,943 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,269 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,661 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,601 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,295 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,433 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,816 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,100 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,138 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,114 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,929 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,734 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,433 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,210 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,997 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,055 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,880 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,849 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,544 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,425 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,893 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,984 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,644 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,875 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,536 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,400 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,422 |
| Countries with Megacities | 0 | - | 4.99 | 267,613 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,432 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,775 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,045 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,963 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,274 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,386 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,322 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,378 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,687 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,014 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,609 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,134 |
